Commitments and Contingencies - Contractual Obligations Under Supply Storage and Service Contracts (Details) $ in Millions	Sep. 30, 2015 USD ($)
Recorded Unconditional Purchase Obligation
2016	$ 793.5
2017	147.6
2018	88.4
2019	57.3
2020	18.8
After 2020	60.5
UGI Utilities Supply, Storage and Transportation Contracts
Recorded Unconditional Purchase Obligation
2016	122.0
2017	59.6
2018	37.4
2019	27.3
2020	16.2
After 2020	60.5
Midstream & Marketing Supply Contracts
Recorded Unconditional Purchase Obligation
2016	165.9
2017	83.2
2018	51.0
2019	30.0
2020	2.6
After 2020	0.0
AmeriGas Propane Supply Contracts
Recorded Unconditional Purchase Obligation
2016	53.5
2017	4.8
2018	0.0
2019	0.0
2020	0.0
After 2020	0.0
UGI International Supply Contracts
Recorded Unconditional Purchase Obligation
2016	452.1
2017	0.0
2018	0.0
2019	0.0
2020	0.0
After 2020	$ 0.0

Amount of the recorded unconditional purchase obligation maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 440

-SubTopic 10

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25383-109308

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Amount of the recorded unconditional purchase obligation maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of the recorded unconditional purchase obligation maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of the recorded unconditional purchase obligation maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of the recorded unconditional purchase obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of the recorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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